He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
#62950
A
wouldn’t
B
shouldn’t
C
couldn’t
D
mustn’t
推荐题目
--Listen! Is it Linda singing in the next room? --No, it __________ be her. She is still in Shanghai.
#78253
A
can’t
B
couldn’t
C
may not
D
might not
(2013·高考陕西卷)The children________lost in the woods；otherwise，they would have been at the lakeside camp as scheduled.
#62464
A
must have got
B
must get
C
should have got
D
should get